CN205062116U - A device for bearing roller surface strengthening - Google Patents
A device for bearing roller surface strengthening Download PDFInfo
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- CN205062116U CN205062116U CN201520817405.4U CN201520817405U CN205062116U CN 205062116 U CN205062116 U CN 205062116U CN 201520817405 U CN201520817405 U CN 201520817405U CN 205062116 U CN205062116 U CN 205062116U
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- carrying roller
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Abstract
The utility model discloses a device for bearing roller surface strengthening relates to a bearing roller processing apparatus, include: the laser head, controlling means and three degree of freedom numerically -controlled rotary tables, the laser head is fixed on clamping device to be connected with the laser instrument, controlling means, adopt the closed -loop control mode with laser instrument and three degree of freedom numerically -controlled rotary tables are connected, the work of control laser instrument and the motion of three degree of freedom numerically -controlled rotary tables, three degree of freedom numerically -controlled rotary tables are including horizontal table to and using the bearing roller center pin as the bearing roller rotary clamping mechanism of rotation axis, horizontal table has orthogonal X to the X of the translation degree of freedom to feed mechanism and Y to the Y of the translation degree of freedom to feed mechanism in the horizontal plane. The utility model discloses can improve wear -resisting, the thermal fatigue resistance of roll surface, improve the life of bearing roller, solve conveyor operation in -process and easily lead to the fact some support roller cylinder body surfaces easily to take place wear out failure and fatigue failure's problem because off tracking and convex arc section are turned.
Description
Technical field
The utility model relates to a kind of carrying roller treatment unit, particularly relates to carrier roller of belt conveyer.
Background technology
Endless belt conveyor is in actual moving process, because setting accuracy is not high, discharging point not just etc. reason cause belt deflection, thus make the carrying roller of side bear larger pressure and frictional force, under long repeated load and high-speed and high-temperature friction, easily there is fatigue cracking and wear out failure in drum surface, under high belt speed and severe operation condition, carrying roller lost efficacy faster, drastically influence the production efficiency of whole conveying machinery equipment, more obvious in this situation of transfer roller convex arc section.
Utility model content
The purpose of this utility model is: propose a kind of device for carrying roller surface strengthening, improve roll surface wear-resisting, heat-resistant anti-fatigue performance, improve the work-ing life of carrying roller, easily cause the easy problem that wear out failure and fatigure failure occur in part carrying roller cylinder surface to solve in conveying machinery operational process to turn due to sideslip and convex arc section.
The purpose of this utility model is realized by following technical proposals:
For a device for carrying roller surface strengthening, comprising: laser head, control device and three degree of freedom numerical control table, NC table;
Described laser head is fixed on clamping device, and is connected with laser apparatus;
Described control device, adopts close-loop control mode to be connected with described laser apparatus and three degree of freedom numerical control table, NC table, controls the work of laser apparatus and the motion of three degree of freedom numerical control table, NC table;
Described three degree of freedom numerical control table, NC table, comprise horizontal table, and be that the carrying roller of turning axle rotates clamping device with roller center shaft, described horizontal table has mutually perpendicular X to the X of translation freedoms to the Y-direction feed mechanism of feed mechanism and Y-direction translation freedoms in horizontal plane, the turning axle that carrying roller rotates clamping device is parallel to Y-axis, laser head is arranged on X on feed mechanism by clamping device, and the turning axle making laser beam and carrying roller rotate clamping device keeps vertical.
As selection, X is to the translation of feed mechanism and Y-direction feed mechanism, and carrying roller rotates the rotation of clamping device by AC servo machinery driving.
As selection, X is arranged on Y-direction feed mechanism to feed mechanism by guide rail and leading screw, can along Y-direction translation on Y-direction feed mechanism.
In such scheme, laser quenching is that metal material surface is heated to more than transformation temperature by application laser, along with material cooling itself, austenitic transformation becomes martensite, make material surface hardened, remain stress in hardened layer simultaneously, thus greatly improve wear resistance and the anti-fatigue performance of material, and process rear surface changes without roughness without distortion substantially.Laser quenching is from the type of cooling, without the need to hardening liquid.This device forms some space curve reinforcing tape by laser head on carrying roller cylinder matrix surface, and space curve reinforcing tape is the wear-resistant strip of hardness higher than the matrix that do not quench of laser quenching formation.
The main scheme of aforementioned the utility model and each further selection scheme thereof can independent assortment to form multiple scheme; be the utility model can adopt and claimed scheme: as the utility model; each selection can select arbitrary combination with other; those skilled in the art can understand there is multiple combination according to prior art and common practise after understanding the present invention program; be the claimed technical scheme of the utility model, do not do exhaustive at this.
The beneficial effects of the utility model: adopt (laser) hard surfacing technology, the structure distribution that soft or hard combines is defined on carrying roller cylinder surface, quench zone hardness is high, wear resistance is good, matrix hardness is lower, there is good toughness, very favourable to raising roll surface wear-resisting, heat-resistant anti-fatigue performance, thus improve the work-ing life of carrying roller, solve because of the frequent problem changed of carrying roller inefficacy, and the needs of high belt speed and bad working environments can be met, be beneficial to the raising of conveying machinery integral production efficiency, cost has been saved in non-fully surface hardening.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the carrying roller after the strengthening of the utility model device.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is further described.
With reference to Fig. 1, carrying roller outside surface intensifying device of the present utility model, comprises control device 2, three degree of freedom numerical control table, NC table, laser head 6, laser head clamping device 7, and not shown laser apparatus and drive system.
In Fig. 1, three degree of freedom numerical control table, NC table comprise in horizontal plane have X to the X of translation freedoms to feed mechanism 3, the Y-direction feed mechanism 4 (both are orthogonal in horizontal plane) of Y-direction translation freedoms, be that the carrying roller of turning axle rotates clamping device 5 with roller center shaft, three degree of freedom numerical control table, NC table has been come by leading screw 8 and guide rail in the movement of Y-direction.Carrying roller cylinder 1 to be processed is arranged on carrying roller rotary clamping structure 5, has the rotational freedom around A axle.Laser head 6 to be fixed on laser head clamping device 7 and to make laser beam and turning axle A keep vertical, and laser head clamping device 7 is arranged on X on feed mechanism 3, and whereby, laser head to have in water surface face orthogonal X to, Y-direction degree of freedom.Laser head 6, for carrying out heating strengthening to carrying roller cylinder surface, because the structure of laser apparatus and using method are known technology, does not repeat them here.
Control device 2 is connected with laser apparatus and three degree of freedom numerical control table, NC table, to control, to coordinate the action of laser head 6 and three degree of freedom numerical control table, NC table, and automatically generate nc program according to the space curve reinforcing tape D on the laser processing technology parameter preset and carrying roller cylinder surface, laser quenching strengthening is carried out to cylindrical shell 1 surface.As selection, control device 2 comprises computer, input-output device, and signal conversion, connection, processing element, be connected with described laser apparatus and three degree of freedom numerical control table, NC table, automatically can generate numerical control program according to the working process parameter of default input.
Carrying roller cylinder 1 to be processed operationally, is arranged on carrying roller and rotates on clamping device 5 by the utility model.
First, the position destroyed easily is there is for carrying roller cylinder 1 surface, the structure that mimic biology surface soft or hard combines is designed to the space curve reinforcing tape D of rule distribution, arrange laser processing parameter according to cylinder material again and comprise defocusing amount, electric current, frequency etc., then starter gear is processed drum surface.With reference to figure 2, space curve reinforcing tape width is preferably 2 ~ 5mm, and the degree of depth is 0.3 ~ 1mm, is spaced apart 0.5 ~ 30mm, and angle is 10 ~ 170 degree, hardness (HV) 280 ~ 320HV higher than undressed part.This interval refers to the interval between Uncrossed adjacent two space curve reinforcing tape, interval between adjacent two space curve reinforcing tape of preferred same spiricle (preferred parallel spiricle), this angle refers to the angle angle between two space curve reinforcing tape intersecting, is as the criterion with the angle angle of opening towards carrying roller generatrix direction.Preferable space curve reinforcing tape interweaves and forms net-like texture on carrying roller cylinder matrix surface.
Laser head by preset processing parameter and processing route to carrying roller cylinder surface heating time, controlled by control device, for the carrying roller cylinder of batch production, after X has adjusted to the amount of feed, laser head only need be driven the back and forth movement of Y-direction by Y-direction feed mechanism, carrying roller cylinder 1 and carrying roller rotate clamping device 5 and drive rotating campaign around A axle by axial feed mechanism, thus realization is at the space curve reinforcing tape D of carrying roller cylinder surface working formation soft or hard combination.
The utility model device specific embodiment is to use ripe DTII type standard carrying roller, the position that frictional force and shearing stress easily occurs to destroy is born according to carrying roller cylinder surface inside convex arc section, laser surface hardening, material is Q235 steel, adopt electric current 120A, pulsewidth 8ms, frequency 5HZ, defocusing amount 6.5, the laser beam of speed 0.8mm/s is processed carrying roller cylinder surface, the reinforcing tape width formed is 3mm, the degree of depth is 0.8mm, be spaced apart 10mm, angle is 90 degree, test stiffened region hardness is 480HV, 280 ~ 320HV higher than undressed part, itself and unprocessed carrying roller are arranged on same level convex arc section use, the carrying roller wear resistance of laser quenching and thermal fatigue resistance is adopted to significantly improve, 1 times is improve than unprocessed carrying roller wear resistance.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. for a device for carrying roller surface strengthening, it is characterized in that: comprising: laser head, control device and three degree of freedom numerical control table, NC table;
Described laser head is fixed on clamping device, and is connected with laser apparatus;
Described control device, adopts close-loop control mode to be connected with described laser apparatus and three degree of freedom numerical control table, NC table, controls the work of laser apparatus and the motion of three degree of freedom numerical control table, NC table;
Described three degree of freedom numerical control table, NC table, comprise horizontal table, and be that the carrying roller of turning axle rotates clamping device with roller center shaft, described horizontal table has mutually perpendicular X to the X of translation freedoms to the Y-direction feed mechanism of feed mechanism and Y-direction translation freedoms in horizontal plane, the turning axle that carrying roller rotates clamping device is parallel to Y-axis, laser head is arranged on X on feed mechanism by clamping device, and the turning axle making laser beam and carrying roller rotate clamping device keeps vertical.
2. as claimed in claim 1 for the device of carrying roller surface strengthening, it is characterized in that: X is to the translation of feed mechanism and Y-direction feed mechanism, and carrying roller rotates the rotation of clamping device by AC servo machinery driving.
3., as claimed in claim 1 for the device of carrying roller surface strengthening, it is characterized in that: X is arranged on Y-direction feed mechanism to feed mechanism by guide rail and leading screw, can along Y-direction translation on Y-direction feed mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817405.4U CN205062116U (en) | 2015-10-21 | 2015-10-21 | A device for bearing roller surface strengthening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817405.4U CN205062116U (en) | 2015-10-21 | 2015-10-21 | A device for bearing roller surface strengthening |
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| Publication Number | Publication Date |
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| CN205062116U true CN205062116U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520817405.4U Active CN205062116U (en) | 2015-10-21 | 2015-10-21 | A device for bearing roller surface strengthening |
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| CN (1) | CN205062116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203715A (en) * | 2020-01-15 | 2020-05-29 | 师新杰 | Method and device for machining metal surface |
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2015
- 2015-10-21 CN CN201520817405.4U patent/CN205062116U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203715A (en) * | 2020-01-15 | 2020-05-29 | 师新杰 | Method and device for machining metal surface |
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